//模拟实现僵尸进程
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>

int main()
{
    printf("I am father process,running...,pid:%d,ppid:%d\n",getpid(),getppid());
    sleep(1);
    pid_t id=fork();

    if(id==0)
    {
        //child
        int cnt=5;
        while(cnt)
        {
            printf("I am child process,pid:%d,ppid:%d\n",getpid(),getppid());
            sleep(1);
            cnt--;
        }
    }

    else{
        while(1)
        {
            printf("I am father process,pid:%d,ppid:%d\n",getpid(),getppid());
            sleep(1);
        }
    }
    return 0;
}

